Patent US2289429A successfully refreshed from Google Patents.
Patent US3586491A successfully refreshed from Google Patents.
US3586491A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mold cooling apparatus for glass forming machine
Assignee: OI Glass Inc
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Filing: 1969-04-23
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Granted: 1971-06-22
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Expires: 1989-04-23
Abstract
Abstract THE SUPPORTING AND COOLING OF BLOW MOLDS ON A GLASS FORMING MACHINE IN WHICH COOLING AIR IS INTRODUCED INTO THE CHAMBERS OF HOLLOW BLOW MOLD ARMS WITH THE AIR BEING DIRECTED AGAINST THE BACKS OF PLURAL MOLD HALVES. THE MOLD HALVES ARE PHYSICALLY MOUNTED ON HOLLOW HOLDERS WITH INTERCHANGEABLE COOLING PLATES INTERPOSED THE HOLLOW HOLDER AND THE BACKS OF THE MOLDS SO AS TO DISTRIBUTE THE AIR IN A SELECTED PATTERN. THE AIR, AS IT IS INTRODUCED INTO THE MOLD ARMS, IS CONTROLLED BY THE SETTING OF BAFFLE PLATES, WITH THE AIR MOVING FROM THE ARMS INTO THE MOLD HOLDERS.
Inventors
- 👤 Joseph L Mennitt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:40
CPC Classifications
C; C03; C03B; C03B9/00; C03B9/30; C03B9/38; C03B9/3875; C03B9/3891
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-06-21 | 1974-12-21 | 1975-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-21 | 1978-12-21 | 1979-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-21 | 1982-12-21 | 1983-06-22 | $7700.00 | Window Closed / Lapsed |